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Last Updated: December 11, 2025

HYDROCODONE BITARTRATE AND ACETAMINOPHEN Drug Patent Profile


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Which patents cover Hydrocodone Bitartrate And Acetaminophen, and when can generic versions of Hydrocodone Bitartrate And Acetaminophen launch?

Hydrocodone Bitartrate And Acetaminophen is a drug marketed by Mallinckrodt, Mikart, Chartwell, Genus, Mallinckrodt Inc, Nesher Pharms, Pharm Assoc, Tris Pharma Inc, Vintage Pharms, Wes Pharma Inc, Abhai Llc, Able, Actavis Labs Fl Inc, Alvogen, Amneal Pharms, Amneal Pharms Ny, Apil, Ascent Pharms Inc, Aurolife Pharma Llc, Barr, Caraco, Elite Labs Inc, Epic Pharma Llc, Granules, Halsey, Hibrow Hlthcare, Ivax Pharms, Lannett Co Inc, Mutual Pharm, Novel Labs Inc, Ph Health, Prinston Inc, Ranbaxy, Ranbaxy Labs Ltd, Rhodes Pharms, Sanaluz, Sandoz, Specgx Llc, Strides Pharma Intl, Sun Pharm Inds Inc, Sun Pharm Inds Ltd, Ucb Inc, Upsher Smith Labs, Usl Pharma, Vintage Pharms Llc, Watson Labs, and Watson Labs Florida. and is included in one hundred and twenty-six NDAs.

The generic ingredient in HYDROCODONE BITARTRATE AND ACETAMINOPHEN is acetaminophen; hydrocodone bitartrate. There are sixty-six drug master file entries for this compound. Thirty-eight suppliers are listed for this compound. Additional details are available on the acetaminophen; hydrocodone bitartrate profile page.

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Summary for HYDROCODONE BITARTRATE AND ACETAMINOPHEN
Drug patent expirations by year for HYDROCODONE BITARTRATE AND ACETAMINOPHEN
Recent Clinical Trials for HYDROCODONE BITARTRATE AND ACETAMINOPHEN

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Sun Pharma Advanced Research Company LimitedPhase 1
Grünenthal GmbHPhase 1
Teva Branded Pharmaceutical Products, R&D Inc.Phase 3

See all HYDROCODONE BITARTRATE AND ACETAMINOPHEN clinical trials

Pharmacology for HYDROCODONE BITARTRATE AND ACETAMINOPHEN
Drug ClassOpioid Agonist
Mechanism of ActionOpioid Agonists

US Patents and Regulatory Information for HYDROCODONE BITARTRATE AND ACETAMINOPHEN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Barr HYDROCODONE BITARTRATE AND ACETAMINOPHEN acetaminophen; hydrocodone bitartrate TABLET;ORAL 040307-001 Jul 26, 2000 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Granules HYDROCODONE BITARTRATE AND ACETAMINOPHEN acetaminophen; hydrocodone bitartrate TABLET;ORAL 211729-002 Jan 3, 2020 AA RX No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Actavis Labs Fl Inc HYDROCODONE BITARTRATE AND ACETAMINOPHEN acetaminophen; hydrocodone bitartrate TABLET;ORAL 206470-002 Jun 2, 2016 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Able HYDROCODONE BITARTRATE AND ACETAMINOPHEN acetaminophen; hydrocodone bitartrate TABLET;ORAL 040464-001 Oct 23, 2002 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Market Dynamics and Financial Trajectory for Hydrocodone Bitartrate and Acetaminophen

Last updated: July 29, 2025

Introduction

Hydrocodone Bitartrate and Acetaminophen, commonly known as Vicodin, Norco, or Lortab, represents one of the most widely prescribed analgesic combinations in the United States. Its dual mechanism combines the opioid hydrocodone, a potent pain reliever, with acetaminophen, a less potent analgesic that enhances activity. The drug has historically served as a cornerstone in managing moderate to severe pain, but recent market shifts, regulatory measures, and societal concerns surrounding opioid abuse have significantly impacted its commercial landscape.

This article delves into the market dynamics and financial trajectory of Hydrocodone Bitartrate and Acetaminophen, analyzing factors influencing demand, regulatory influences, patent landscape, and future outlooks.


Market Overview and Demand Drivers

The global demand for Hydrocodone Bitartrate and Acetaminophen has largely been driven by the prevalence of chronic and acute pain conditions. The United States accounts for the lion’s share of prescriptions due to its high incidence of pain-related ailments, coupled with a healthcare system where opioids have historically been the frontline treatment.

According to the IQVIA report (2022), hydrocodone-containing analgesics constituted approximately 45% of all opioid prescriptions in the U.S., reflecting their dominant position in pain management. The combination’s efficacy, combined with formulary preferences, led to sustained high consumption levels throughout the past decade.

Epidemiological Factors and Demographic Influences

An aging population, increasing prevalence of conditions like osteoarthritis, post-surgical pain, and injury-related pain have sustained demand. Additionally, the opioid-centric approach was reinforced by clinical practice guidelines issued by organizations such as the CDC, which until recent years favored opioids for moderate-to-severe pain, temporarily bolstering prescriptions.

Shift Toward Alternative Therapies and Impact on Demand

In recent years, however, mounting concerns over opioid misuse, addiction, and overdose deaths have prompted changes. The CDC’s 2016 guidelines, advocating for cautious prescribing, led to a decline in new prescriptions. Moreover, the rise of non-opioid therapies—such as cannabinoids, NSAIDs, and physical therapy—has gradually eroded the market share of hydrocodone combination products.


Regulatory and Legislative Environment

Hydrocodone combination products have undergone significant regulatory changes, primarily in the United States:

Rescheduling and Impact

In 2014, the Drug Enforcement Administration (DEA) reclassified hydrocodone-containing products from Schedule III to Schedule II, recognizing their high potential for abuse. This rescheduling tightened prescribing practices, imposed stricter dispensing regulations, and increased scrutiny, leading to a temporary reduction in prescriptions.

The Prescription Drug Monitoring Programs (PDMPs)

States implemented PDMPs to track controlled substance prescriptions, reducing doctor shopping and diversion. These initiatives contributed to a decline in overall prescription volume but also increased administrative burdens for healthcare providers.

Legislative Initiatives and Future Regulation

Efforts to curb opioid misuse continue, with discussions around further restrictions on long-acting formulations and the potential for abuse-deterrent formulations. The current regulatory landscape heavily influences market access, pricing, and innovation strategies.


Patent Landscape and Market Competition

Hydrocodone combinations were historically off-patent, leading to intense generic competition and pressure on prices. Major pharmaceutical companies like Pfizer (Lortab), Purdue Pharma (Vicodin), and Endo Pharmaceuticals (Norco) dominated the market, but the patent expirations in the early 2010s fragmented the landscape.

Generic Competition and Market Saturation

Post-patent expiry, the proliferation of generic equivalents drastically reduced wholesale prices, with the average retail price of hydrocodone/acetaminophen combinations declining by approximately 60% between 2010 and 2020 (GoodRx, 2021). This commoditization limited profit margins for innovator firms.

Development of Abuse-Deterrent Formulations (ADFs)

In response to abuse concerns, drug developers introduced reformulated, tamper-resistant formulations. For example, Purdue’s reformulated Vicodin incorporated physical and chemical barriers to deter crushing or injecting. While these formulations aimed to extend market exclusivity, adoption has been slow, and their impact on market share remains limited.


Financial Trajectory and Market Forecasting

Historical Revenue Trends

The peak of hydrocodone/acetaminophen product sales occurred around 2012, with annual gross revenues exceeding $2 billion in the U.S. Nonetheless, sales have declined significantly since then.

According to IQVIA data, the U.S. market for hydrocodone combination products contracted by approximately 35% from 2015 to 2020, reflecting reduced prescribing, regulatory constraints, and public health initiatives. The 2020 revenues hovered around $1.3 billion, marking a gradual downturn.

Future Outlook and Industry Strategies

Projections suggest that demand for hydrocodone combination products in the U.S. will continue to decline at an average annual rate of 8-10% over the next five years, driven by:

  • Increasing normalization of prescribing restrictions
  • Expansion of non-opioid pain therapies
  • Heightened awareness of opioid misuse and addiction risks

However, global markets in emerging economies, where regulatory frameworks are less strict, may sustain modest growth, opening opportunities for generic manufacturers.

Innovative and Diversified Business Models

Pharmaceutical companies are pivoting toward developing abuse-deterrent formulations and exploring alternative pain management therapies. Some firms are investing in non-opioid analgesics and non-pharmacological solutions, aiming to diversify their portfolios amid declining hydrocodone revenues.


Challenges and Opportunities

Challenges:

  • Evolving regulatory frameworks further restricting opioid prescriptions.
  • Heightened legal and societal risks associated with opioid products.
  • Pricing pressure from generics and payers.

Opportunities:

  • Developing and commercializing abuse-deterrent formulations.
  • Expanding into markets with less restrictive regulations.
  • Investing in non-opioid analgesic research and development.
  • Implementing digital health solutions for pain management monitoring.

Conclusion

The market dynamics for Hydrocodone Bitartrate and Acetaminophen are increasingly marked by regulatory constraints, societal shifts, and evolving prescriber behaviors. While historically a lucrative segment, it now faces a downward trajectory in mature markets like the U.S., with revenues expected to decline steadily over the coming years. Strategic diversification into safer, non-opioid therapies and abuse-resistant formulations offers pathways for pharmaceutical companies to sustain profitability and adapt to changing market landscapes.


Key Takeaways

  • Hydrocodone/acetaminophen sales peaked around 2012 and have since declined due to regulatory and societal pressures.
  • Strong regulatory controls, including DEA scheduling and PDMPs, have tightened prescribing and reduced market size.
  • Generic competition has driven prices downward, impacting profit margins for brand-name formulations.
  • Development of abuse-deterrent formulations and non-opioid alternatives represent critical growth areas.
  • Global emerging markets may offer incremental opportunities amid local regulatory laxity.

FAQs

1. How have recent regulations affected the sales of hydrocodone-acetaminophen products?
Regulations such as DEA reclassification to Schedule II in 2014 increased prescribing restrictions, leading to a marked decrease in sales, especially in the U.S. The tightened controls have curtailed accessibility and driven prescriber and patient shifts toward alternative therapies.

2. Are there any promising developments in abuse-deterrent formulations for hydrocodone combination products?
Yes; several reformulated products with tamper-resistant features have been launched, aiming to reduce abuse potential. However, adoption has been gradual, and their overall impact on market size remains limited.

3. Will hydrocodone-acetaminophen products regain market dominance in the future?
Unlikely in mature markets like the U.S., where regulatory and societal factors favor reduced opioid prescribing. Global regions with less restrictive regulations may sustain some demand, but overall, growth prospects are limited.

4. How is the pivot toward non-opioid pain management affecting the pharmaceutical industry?
It is prompting significant R&D investments in non-opioid analgesics, including cannabinoids, NOP receptor modulators, and novel biologics, as well as digital therapeutic solutions, to meet evolving prescribing patterns and societal expectations.

5. What strategies should pharmaceutical companies adopt to remain resilient in this market?
Companies should invest in developing abuse-deterrent and non-opioid pain therapies, diversify across therapeutic classes, navigate regulatory requirements proactively, and explore emerging markets with less restrictive frameworks.


Sources:

[1] IQVIA. (2022). The Impact of Regulatory Changes on Opioid Prescription Trends.
[2] GoodRx. (2021). Price Trends for Hydrocodone/Acetaminophen.
[3] CDC. (2016). Guideline for Prescribing Opioids for Chronic Pain.
[4] U.S. Drug Enforcement Administration. (2014). Rescheduling of Hydrocodone Containing Products.

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